2,002 research outputs found

    Symmetry Breaking Bulk Effects in Local D-brane Models

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    We study symmetry breaking effects in local D-brane models that arise as a result of compactification, taking models constructed on C^3/Z_3 as prototype. Zero-modes of the Lichnerowicz operator in cone-like geometries have a power law behaviour; thus the leading symmetry breaking effects are captured by the modes with the lowest scaling dimension which transform non-trivially under the isometry group. Combining this with the fact that global symmetries in local models are gauged upon compactification we determine the strength and form of the leading operators responsible for the symmetry breaking. We find a hierarchical separation in the size of symmetry breaking parameters.Comment: 13 pages, 1 figure; v2 typos removed; v3 JHEP versio

    Final Proposal to Encode the Khudawadi Script in ISO/IEC 10646

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    This is a proposal to encode the Khudawadi script in the international character encoding standard Unicode. This script was published in Unicode Standard version 7.0 in June 2014. Khudawadi is an historic script, used to write the Sindhi language, which is spoken in Pakistan and India. In the 1860s it was selected to be the standard for education and administration. In late 19c, Arabic became the official writing system for Sindhi. In India, Sindhi is also written in the Devanagari script
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